diff --git a/py-dynamic-graph-v3/distinfo b/py-dynamic-graph-v3/distinfo
index ac141e47f4d85bdeebb0aab8abda0bd5524685d2..a5e2ea541df987d98c0eb74f192d851c713752b4 100644
--- a/py-dynamic-graph-v3/distinfo
+++ b/py-dynamic-graph-v3/distinfo
@@ -3,3 +3,4 @@ RMD160 (dynamic-graph-python-v3-3.0.0.tar.gz) = f385b8d218a4615cfa8b631e977fce8f
 Size (dynamic-graph-python-v3-3.0.0.tar.gz) = 778595 bytes
 SHA1 (patch-aa) = 538c46d0eaeb6c032b4f54a9627f6b411cb02fef
 SHA1 (patch-ab) = d97f989705499ed8014985217a99f42eefd39fcd
+SHA1 (patch-ac) = da39a3ee5e6b4b0d3255bfef95601890afd80709
diff --git a/py-dynamic-graph-v3/patches/patch-ac b/py-dynamic-graph-v3/patches/patch-ac
new file mode 100644
index 0000000000000000000000000000000000000000..e69de29bb2d1d6434b8b29ae775ad8c2e48c5391